Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and recovery. Higher HRV indicates well-being, while lower HRV signals stress.

Like many Americans, I know I need more sleep. I'm a night owl, often writing late into the night, but also a mom who gets up early with her kids. The result: I'm not getting enough rest.

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Our comprehensive review of the Noise Luna Ring Gen 2, including analysis of the battery life, tracking accuracy, design, and more.

Insurance Australia Group Limited ( IAUGY) Q2 2026 Earnings Call February 11, 2026 5:30 PM EST ...

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We've all heard that making simple lifestyle changes today can help prevent heart disease down the line. But what if you already have key risk factors for heart disease, or even a diagnosis of heart ...

Obstructive hypertrophic cardiomyopathy symptoms such as trouble breathing, a racing heart, and fatigue can make daily tasks ...

Whoever we are, whatever we’re doing, we have a measurable heart rate. It’s a pretty clear sign of being alive. But what should your heart rate be when exercising? When we exercise, our heart rate ...